Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Chapter 7, Problem 23E

Explanation of Solution

Repetition of information and inability to represent information:

  • A relational database schema must have a schema that stores information without repetition and easy data retrieval.
  • The pitfalls in the design are as follows:
    • Repetition of information
    • Inability to represent information
  • In a relational da...

Explanation of Solution

Indicating a bad relational database design:

  • Repetition of information is a bad relational database design because of the following reasons:
    • The space needed for data storage increases unnecessarily.
    • Database updates becomes more complicated and costly...

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